import nest
import nest.voltage_trace
nest.ResetKernel()
neuron = nest.Create("iaf_psc_alpha")
noise = nest.Create("poisson_generator", 2)
nest.SetStatus(noise, [{"rate": 80000.0}, {"rate": 15000.0}])
voltmeter = nest.Create("voltmeter")
nest.SetStatus(voltmeter, {"withgid": True, "withtime": True})
nest.Connect(noise, neuron, syn_spec={'weight': [[1.2, -1.0]], 'delay': 1.0})
nest.Connect(voltmeter, neuron)
nest.Simulate(1000.0)
nest.voltage_trace.from_device(voltmeter)